Finding the Fourth Proportional to 120,569.90, 180,842.00 and 49,499.98

Step by Step Solution

1. Step 1: Write the proportion equation
   120,569.90 : 180,842.00 = 49,499.98 : x
2. Step 2: Convert to fraction form
   120,569.90/180,842.00 = 49,499.98/x
3. Step 3: Cross multiply
   120,569.90x = 180,842.00 × 49,499.98
4. Step 4: Simplify right side
   120,569.90x = 8,951,674,683.56
5. Step 5: Solve for x
   x = 8,951,674,683.56/120,569.90
6. Step 6: Final answer
   x = 74,244.69